Question

6. Estimate the difference of the following numbers by rounding off as specified, a. 78,67,845 - 34,34,489 round-off to nearest 10 b. 98,88,452 - 56,64,034 round-off to nearest 100 c. 5,64,08,733-3,82,67,800 round-off to nearest 1000 d. 77,74,091 - 32,22,795 round-off to nearest 1000 e. 86,68,997 - 12,34,567 round-off to nearest 10,000 7. Estimate the product of the following numbers by rounding off as specified. a. 3,16,284 x 65 round-off to nearest 10 b. 1,02,327 x 743 round-off to nearest 100 c. 29,31,095 x 32 round-off to nearest 10 d. 12,82,166 x 51 round-off to nearest 10 e. 7,42,693 x 126 round-off to nearest 100 8. Estimate the quotient of the following numbers by rounding off as specified. a. 2,31,546 - 45 round-off to nearest 10 b. 51.24,585 - 574 round-off to nearest 100 c. 65,21,547 = 450 round-off to nearest 100 d. 87,64,079 - 255 round-off to nearest 10 e. 36,14,989 - 954 round-off to nearest 100​

Answer 1

Answer:

Step-by-step explanation:

Difference

a). 78,67,845 rounds off to 78,67,840

34,34,489 rounds off to 34,34,490

Their difference = 44,33,350

b)98,88,452 rounds off to 98,88,450

56,64,034 rounds off to 56,64,030

Their difference is = 42,24,420

c)5,64,08,733 rounds off to 5,64,09,000

3,82,67,800 rounds off to 3,82,68,000

Their difference is  = 18,14,10,000

d)77,74,091 rounds off to 77,74,000

32,22,796 rounds off to 32,23,000

Their difference is = 45,51,000

e)86,68,997 rounds off to 86,70,000

12,34,567 rounds off to 12,30,000

their difference is = 74,40,000

Products

a) 3,16,284 rounds of to 3,16,280

65 rounds off to 70

Their product is  = 2,21,39,600

b)102327 rounds off to 102300

743 rounds off to 700

Their product = 7,16,10,000

c)29,31,095 rounds off to 29,31,100

32 rounds off to 30

Their product = 8,79,33,000